Banding-machine.



F. X. MALOCSAY.

BANDING MACHINE.

APPLICATION FILED MAY 2. 1912.

Patented Apr. 9, 1918.

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F. X. MALOCSAY.

BANDING MACHINE.

APPLICATION FILED MAY 2. 1912.

1 ,26 1,830, Patented Apr. 9, 1918.

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BANDING MACHINE.

APPLICATION FILED MAY 2.19\2. 1,261,83Q, Patented Apr. 9, 1918.

14 SHEETSSHEET 3- 7', /a /Z A390 O gfihtmeooao W MW m) F; X. MALOCSAY.

BANDING MACHINE.

APPLICATION FILED MAY 2. 1912. 1,261,880, Patented Apr.'9,1918.

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BANDING MACHINE.

APPLICATION FILED MAY 2. 1912.

Patented Apr. 9, 1918.

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BANDING MACHINE.

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F. X. MALOCSAY. BANDING MACHINE.

APPLICATION HLED MAY 2. m2.

Patented Apr. 9, 1918.

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BANDING MACHINE.

APPLICATION FILED MAY 2. I912.

Patented Apr. 9, 1918.

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APPLICATION FlL ED MAY 2. 1912.

Patented Apr. 9, 1918.

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BANDING MACHINE- APPLlCATlON FILED HAY2.1912.

l ,26 1 ,830. Patented Apr. 9, 1918.

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BANDING MACHINE.

APPLICATION FILED MAY 2. I912.

Patented Apr. 9, 1918.

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v BANDING MACHINE, APPLlCATlON FILED MAY 2. 1912.

Patented Apr. 9, 1918.

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APPLICATION FILED MAY 2, 1912.

Patented Apr. 9, 1918.

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FRANCIS K. MALOCSAY, OF NEW YFOBK,.1\T. Y., AS SIGNOR '10 INTERNATIONALBANDING MACHINE COMPANY, NEW YORK, ,N. Y.,A GORPORATION OF NEW YORK.

nannme-macnmn.

aeeaes'o.

fo all whom it may concern;

Be it known that' I, FRANCIS K. MALOCSAY, a citizen of the United States, and a resident of the city of New York, county of Westchester, borough of Bronx, State of New York, have invented a new and useful Improvement in Banding-Machines, of which assembled, the labels will all stand the same,

way. A further object is to provide a machine thatwill never waste a label and will always operate with rapidity and efficiency for an indefinite time, and without undue wear or expense, either. for installation or maintenance or attention. These and other objects are accomplished by my invention,

one embodiment of which is hereinafter set forth.

For a more particular description of my invention reference is to be had to the accompanying drawings, formingapart hereof, in which- Figure 1 is a front elevation of a machine embodying my improvements. J Fig. 2 is a detail showing an eccentric and other mechanism for driving the endless con- -ve ers which carry the articles to be labeled.

ig. 3 is an end elevation of my improved machine.

Fig. 4 is a plan view, with a portion removed, showing the conveyers and some of the actuating mechanism. a

Fig. 5 is a plan view, parts being broken away to more clearly reveal the structure of a portion of the mechanism shown in Fig. 4.

Fig. 6 is a sectional view taken on the line 6-6 of Fig. 5, looking in the direction of the arrows, a fewadditional features'being' shown to more clearly reveal the function of the apparatus.

Fig. 7 is a detailed view showing the banding mechanism a little further advanced in its operation than is shown in Fi 6.

Fig. 8 is a side elevation of t e machine I showmgthe opposite side from that shown remainder of thepile, together with valve in Fig. 1.

Fig. 9 is a sectional v1ew, taken on the lme Specification of Letters Yatent.

Patented A r. e, was.

Application Med May 2, 1912. erial No. 694,749.

9-9 of Fig. 6, looking in the direction of the arrows. V Fig. 10 is a sectional view showin a poi tion of the band applying means or rum.

Figrl'l is a view taken at right anglesto Fig. '10, parts being broken away to more clearly reveal the structure.

Figs. 12, 13 and 14 show details of a cam and some connected parts by which the labeling is controlled.

Fig. 15 shows a pair of slides, the movement of which is controlled by the cams shown in Fig. 12.

Fig. 16 shows a portion of the label applymechanism of the drum.

ig. 17 shows thedevice for preventing a waste of labels, so thatno label will be supplied unless there is an article ready to receive it.

- Fig. 18 is a sectional view, taken on the line 18-18 of Fig. 17, looking in the direction of the arrows.

Fig. 19 is a sectional view, taken on the to the article to which it is applied immedi-' atelythereafter.

Fig. 23 is an inverted plan view of the structure shown in Fig. 21.

Figs. 24, 25, 26' and 27 are sectional views showing the apparatus for separating thev lowest label from the other labels and transferring this lowest label to a suitable convever. s

F: 28 is a plan view showing the conveye'r insection, so that its air passages will be revealed. V

Fig. 29 is a sectional view of the structure shown in Fig. 28, except that the cbnveyer is not shown in section.

Fig. 30 is a side elevation of the plunger, for separating the lowest band from the mechanism for accomplishing this purpose.

Fig. 31 is -a sectional view taken on the line 31-31 of Fig. 30, looking in the direction of the arrows.

Fig. 32 is a sectional view taken on the line 32-32 of Fig. 30, looking in the direction of the arrows.

.Fig. 33 is a section similar to the one in Fig. 32, except that the valve mechanism is shown open instead of closed.

Fig. 34 is a sectional view taken on the line 3434 of Fig. 30, looking in the direction of the arrows.

Fig. 35 is a sectional view corresponding to Fig. 34, except that the valve mechanism is shown open instead of closed.

Fig. 36 is a sectional view taken on the line 3636 of Fig. 30, looking. in the direction of the arrows.

Figs. 37, 38, 39 and 40' show the band securing mechanism in various positions.

Throughout the various views of the drawings, similar reference characters desiga belt or cord 15 and transmits it by a cord 16, which in turn drives a larger pulley 17 fixed to a shaft 18, which is mounted between the sides 7 and 8 in any suitable manner. The shaft 18 may, for convenience, be.

designated as the main shaft of the machine, because all other shafts are drlven from it.

The conveyer.

The conveyer 3 comprises parallel sprocket chains 19.and 20, on which are mounted suitable receptacles 21, which are substantially as shown. These receptacles 21 are made so that they aline with the corresponding receptacles on the otherchain so that two of them will properly carry the article to be labeled. The endless chains 19 and 20 at the rear of the machine run over suitable sprocket wheels 22 mounted on a s itable shaft 23,

and at thefront of the machine they run over suitable sprocket wheels 24*and '25 mounted on a suitable shaft on a bracket 27 and on the crossing 12 respectively. The bracket 27 is fixed t0 the crossing 12 in any suitable manner, as by a set screw, and the shaft 24 is fixed in this bracket in a similar manner. The Sprocket wheels 25 are united by a common boss 28 which is extended beyond the wheel farther removed from the bracket 27 so as to be fixed to a ratchet 29 which is actuated by a pawl 30, which is held aaeisao by a spring 31 against this ratchet. The pawl 30 is pivotally connected to an arm 32 by an angle lever which oscillates on the crossing or shaft 12, and the other arm 33 of this bell crank lever is pivotally connected to a pitman 34 which is driven by an eccentric' 35 fixed to a shaft 36. Theshaft 36is fixed to a gear '37 that meshes with a corresponding gear 38 with the same number of teeth so that it rotates at-the same identical angular velocity. The gear wheel 38 is fixed on a shaft 39' above the main shaft 18 of the machine. The gear wheel 37, as well as the gear wheel 38,, are provided with suitable cams, s will appear below, and the gear wheel 38 is driven by a suitable Pinion 40 fixed on the shaft 18.

From the foregoing, it is apparent that when the shaft 18 is rotated, the shaft 36 is driven at a corresponding speed and the r0- tation of this shaft 36 through the pawl and ratchet mechanism will rotate the sprocket wheels 25 with an intermittent'motion,thereby causing the conveyer 3 to move with a corresponding intermittent movement so that the holders 21 arrive successively and remain momentarily beneath the label fixing device, which will be described below.

Label magazines and conveyer.

.The base 42 also projects over a portion of the mechanism which rises and falls thereunder, and another portion'of the mechanism which movestransyersely thereof and underneath in a manner which will 'be described below.

This base contalns suitable fingers 45 two being preferably employed, which under normal conditions support the labels 46 which are to be aflixed, and these fingers 45 are moved at the proper time fro under the label 46 by means of a suitable cam on a rod 47 (see' Fig. 4), the outer end of which is surrounded by a coiled spring 48 which normally keeps this rodssolhat the fingers 45 areunder the labels 46 ezme t when the rod 47 is shifted against the tegsion of the spring 48 by a. pusher 49, which is driven by mechanism that will now be described.

. The pusher 49 is fixed to a rod 50 (see Fig. 20) that runs toward the rear of the machine where it "is pivotally connected to a lever 51 fixed on the shaft 52, and an arm 53 fixed to this shaft 52 carries a suitable roller which engages a cam 54 (see Fig. 5)

snacneeo and this cam 54 i fixed on the shaft 39 whichis driven by the gear-wheel 38 in the manner bove described.

The cam 55 is so arranged,-disposed and constructed that it will cause the pusher 49 to act at the proper time so as to withdraw the fingers 45 from under the labels 16 in the manner which I will now describe.

Below the labels 46 is a plunger 55 that has no movement save in a vertical direction. Its lower end is secured by a bolt 56 to a suitable guide 57 which slides on the shaft 36, and the lower end of this guide 57 is connected to the crossing 13 by means of a coiled spring 58. The slide 57 has a pin 59 adapted to engage a cam plate 60 (see Fig. 20) that reciprocates on the shafts 36 and 39. This cam plate 60 has upwardly extending arms 61 and 62 operating air Valves in a manner which will be described below, and it will be noted that this sliding cam plate 60 has a cam midway between the arms 61 and 62, and is higher near the arm 61. This cam plate 60, sliding as above described, has a roller entering a cam groove in the disk 63-s0 that this cam plate 60 is shifted once every revolutionof the disk 63,

and its movement is somewhat irregular as indicated by the shape of the cam groove as shown in Fig. 20. The plunger 55 rises just when the fingers 45 are withdrawn and momentarily carries the labels, but as the plunger 55 has risen or after its center is at the level of the fingers 45, the labels are not moved except that the lowest label is pressed down against the plunger 55, which is hollow and has suitable ports 65 which are connected together and also to the valve cham ber 66 near the base of the plunger 55. The valve chamber 66 has a pair of stems 67 which are opened by the projections 61 and closed by the projections 62 on the cam plate 60. These projections and the stem 67 are so arranged and disposed that as soon as the fingers 45 are withdrawn an exhaust takes place through the ducts 65, and this. pulls the ends of the lowest label down upon the inclined surface of the plunger 55. The fingers 45 then return between the bent ends of the lowest label and the remainder of the pile. Theplunger 55 is then lowered slightly through the incline in the cam plate 60, as above pointed out, and then the label conveyer takes the label from the plunger 55.

The label conveyer 5 comprises two parallel arms 68 and 69, both of which are hollow and provided with suitable orts at their extreme ends which are adapted to pass over. the end of the plunger 55, but not to touch the same so as to leave sufficient space for it is secured by suitable screws or any other proper means. The slide 71 is hollow and provided with an exhaust tube 72 which runs to any suitable apparatus which may be an air-pump of any kind.

The under side of the slide 71 is provided with a suitable .rack-bar'75 to which it is fixed by screws or any other suitable means, and this rack-bar meshes with a segmental gear 76 carried on a suitable shaft 7 7 mounted in suitable brackets 7 8 on the lower surface of the table 74: of the machine. The shaft 77 also carries a bevel gear 79 which meshes with a corresponding bevel gear 80 fixed on a shaft 81. This shaft 81 is journaled in suitable bearings 82 and 83 carried by the table of the machine, and the free end of this shaft 81 is provided with a crank 84 which engages a link 85 through the agency of a suitable crank pin 86. This link 85 runs to a pin 88 on a crank 89 which runs to the shaft 52 and is loose thereon, and does not partake of the movement thereof. The crank 89 is also fixedly connected to a crank 90 provided with a suitable cam pin or roller 91 that takes in a groove in a proper cam 92 mounted on the shaft 39 which is run as above set forth. The roove in the cam 92 is so shaped that it wil drive theroller 91 and through it the cranks 90 and 89, the link 85, the crank 84, the shaft 81, bevel gear 80, bevel gear 79, shaft 77, segmental gear 76 and through that the rack 75. .The shaft 77 is not driven with a rotary but withan oscillatory motion as is apparent, and the cam 92 is so arranged and disposed and shaped that the carrier 5 will-take the label from the plunger 55 transversely of the machine by means of the exhaust through the ports in the arms 68 and 69. The exhaust is not shut off from the conveyer 5, and a label is held in a suitable position for application to the article to be banded, as will appear below.

The wetting orpaste'ng device.

Where the bands are provided with an adhesive which is merely moistened, as is usually the case, there must he means provided for moistening at the appropriate time. Where the bands come without any such adhesive, it must be applied at the appropriate place and time. The difference between a moistening and a paste applying mechanism is not great, and is obvious to principal roller 97 is mounted on a shaft 98 which is provided with a cam 99, fixed thereon, and is journaled in a bearing 100 at one end, and the casing 95 at the other. The exposed end of the shaft 98 is provided with a bevel gear 101 which meshes with a corresponding gear 102 that runs on a suitable vertical shaft 103 j ournaled in a suitable bearing 104. The lower end of this shaft 103 is provided with a suitable'bevel gear 105 that meshes with a correspondin gear 106 (see Fig. 5) on a small stud shaft 107 (see Figs. 1 and 8) mounted in a suitable bracket 108 secured to the frame of the machine or to any other suitable part. The stud shaft 107 carries a sprocket-wheel109 which engages a chain 110 which also engages a corresponding sprocket 111 on the shaft 39, (see Fig. 5) so that the shaft 98 is driven indirectly from the shaft 39 and preferably at the same speed. The casing 95 is provided with a suitable adjustable screw 112 by which it may be put in any desired position within the limits of the adjustment. The gear 101 is mounted on the shaft 98 with a key and slot connection which'does not interfere with this adjustment. The gear 101 does not shift but the shaft 98 does. The casing 95- also carries a suitable projection 113 on which is journaled an intermediate roller 114-which projects from a corresponding opening in the casing 95 so as to engage or press against the roller 97 and convey moisture. therefrom to the applying roller 115 which is mounted with its shaft ma slot of the projection 113 so that it may rise or fall a short distance.

A pin 116 projects from the bearing of this roller 115 and is engaged by a lever 117, the other end of which engages the cam 99 so that at the proper time, when the lever 117 I isshifted, the roller 115 will be brought in I 'next operation identical with what has just] been described. J

contact with the roller 114, and slightly raised so as to moisten the ummed strip of the band and then retreat mm the same so as to cease to moisten anything, and be separated from the roller 114 and ready for the Label affixing mwckam'sm One end of the shaft 36 is provided with a hand-wheel 118 by which the apparatus ma be turnedby hand for the purpose of a .bearings 125 and 126 which are connected to similar bearings 127 and 128 in. which is mounted a parallel shaft 129. The shafts 124 and 129 are connected by suitable gear menace wheels130 and 131 which are interrupted gears so that while the shaft 124 revolves c0n= tinuously and in one direction, the shaft 129 revolves intermittently in the opposite direction. Suitable cams 132 and 133 on the shafts 124 and 129 respectively, permit an exact movement of one-third of a revolution or 120 of the shaft 129 at each movement and no more and no less. One end of the shaft 129 away from the chain'120 carries a disk 134 on which are mounted suitable rollers 135 in the usual manner. These rollers 135are at the same distance from the center of the shaft 129 and are separated 120 and each is adapted to engage a corresponding groove in a cam 136. Each of these grooves'137 in the cam 136 is radially disposed and this cam is so proportioned with regard to the disk 134 and the positions of the rollers 135 thereon that each movement of the disk 134 will cause half the annular movement of the disk'136, that is, The disk 136 is fixed to a shaft 138 mounted insuitable bearings 139 and 140 respectively on the table 7 4 of the machine. One end of the shaft 138 carries a gear'wheel 141 which is fixed on this shaft in any suitable manner and thisgear 141 engages a larger gear 142 of the label-afiixing mechanism. .This gear 142 revolves on a suitable stud shaft 143 mounted in a suitable pedestal 144 which is secured to the bed of the machine by suitable bolts 145. The gears 142 and 141 are so proportioned that each movement of the gear 142 will cause the labeling mechanism described below, to shift the distance between the center of one holder 21, and the next so that the holders and afiixing mechanism will which are concentric with the shaft 143, and

revolve about the same, the .disk 147' being integral with the gear 142 and connected to it by spokes or ribs 150 and-the disks 148 and 149 being connected together,the disk having a suitable boss or hub 151 on which is mounted a concentric and corresponding hub 152 of the disk 149. The disk 1.46 is also provided with an annular flan e 153, and the disks 148 and 149 have pro ecting spokes 154 with recesses between them to receive articles. The disk 146' is fixedly mounted on the stud shaft 143 which does not revolve so that the cams on this disk are fixed. The disk 146 is also fixed by means of suitable ears 1'55 running from the pedestal 144, which are provided with suitable bolts 156 which ass into webs .157

which run radially on t is disk-146.

By turning to Fig. 8. it appears that the back of the disk 146 has three pairs of aaoaaao guidesdesignated 158, 159 and 160, respectively, the first being at the top, the next a little, to the left of the bottom, and the last at the bottom. All these guides are held in place by means of screws or other suitable means and each is provided with a slide. The slide 161 at the top of the disk 146 is connected by a small link 162 to a lever 163 and this lever is mounted on a suitable pin 164 in the disk 146. Suitable pins connect the lever and links on each side, one side to the link 162 above described, and on the other to a long link 165 that runs to another lever 166 to which it is connected by a suitable pin. This lever 166 is fulcrumed on the crossing 13, and has a projecting arm 167 with a cam pin 168 that runs in a suitable cam groove 169 in the disk 170 on the shaft 36. The link 165 is made adjustable by being screw-threaded at its lower end and provided with nuts 171 which are placed on each side of the pin 172 which rests in the arm or lever 166. The camgroove 169 is so shaped, arranged and disposed, that it gives the slide 161 the proper reciprocations at the proper time for a purpose that will appear below.

In a similar way the slide 173, between the guides 159 is shifted in the following manner: The slide 173 has a link 175 connecting it with a bell crank lever 176. This lever 176 is also connected in a suitable manner to the long link 180 which is connected to a lever 181 in a manner similar to the connections between the link 165 and the lever 166. The lever 181 is fulcrumed on the crossing 13 and provided with a suitable cam roller at its other end which takes in a groove 182 in the gear wheel 38 on the shaft 39. The'slide174 is moved by a link 177 with a cam roller engaging a cam groove 178 in the gear 37, as shown in Fig. 8.

The functions of these respective slides 161, 173 and 174 will appear below. The slide 174 has a cooperating slide 179 which will be described hereafter. This slide is actuated by a link 179 driven by a cam roller and corresponding groove 179 in a blank fixed to the gear 37. At present it is suflicient to say that these slides actuate the article-clamping device so as to cause them to grasp or release or partially grasp or partially release an article to which a label is being applied when the machine is in operation.

The fixed cam 146 has several .circular grooves some of which are operative and some of which are inoperative. The inoper ative ones need not be noticed further than to say they are closed at each end, but the operative ones, beginning nearest the center in Fig. 12, are numbered 183, 184, 185 and 186. At the top and bottom these circular slots are connected by suitable radial slots 187 and 188 whichextend' clear through to the slides 161 and 174, respectively. An additional slot 189 the axis of which is at an angle of 36 to the axis of the slot'188 extends from the circular slot 185 toward the periphery of the disk 146. The slide in this slot is numbered 171*. The slides 161, 174 and 179 are provided with suitable projections 190 which are adapted to register with the walls of the slots 184, 183, 185 and 186 respectively. The slide 171" has correspond ing flanges or projections 191 for the same purpose. When the machine is in operation the grooves 185 and 186 cooperate, that is a cam-roller goes from one to the other and the reverse, and another cam-roller goes from the groove 183 to the groove 184 and the reverse, the transfer being made by the slides 161, 174 and 179.

185 for a purpose that will appear below. The other slides always move two cam-rollers, the slide 161 moving them simultaneously and the slides 179 and 174 successively, the former acting first.

By referring to Figs. 13, 14 and 15, the structure will be made more clear. The cam roller 192 is rotatably mounted on a slotted rack-bar 193 with suitable teeth 194 and slot 195. The longer cam-roller 196 projects through the slot 195, and is guided thereby and is fixed to the rack-bar 197, the teeth 198 of which project in the opposite way from the teeth 194. The teeth 194 are adapted to engage the segmental gear 199 fixed on a small shaft 200, and the racks 198 are adapted to mesh with suitable segmental gears 201 on shafts 202; and these respective shafts 200 and 202 are mounted in the rotatory gear 142 as shown in Fig. 10 and elsewhere. The rack bars 193 and 197 are mounted in suitable radial slots 203 on the rear face of the gear 142 so that the camrollers 192 and 196 can readily enter the respective grooves 185,186, 183 and 184. As the gear 142 rotates about the shaft 143 when the. respective rack bars reach the slots 187 and The slide 171 moves only one cam-roller out of the groove 188, these slides 161,174 and 179 shift these of the shafts 200 and 202 always depends upon-the movement of the rack-bars, as is obvious. V

In Fig. 13 theserack-bars are shown at the right with their cam-rollers in the slots 183 and 185. The next set of bars to the left are shown with their cam-rollers in the slide 161 in which they have just been shifted radially so as to be about to enter the slots 184 and 186 respectively, and the third set showing the bars in this position-that is with their cam rollers in these. slots 184 and 186. The cam mechanism connected with the slide 161, above described, is so arranged, designed and proportioned, that this slide will always perform this function during the intervals between the movements of the gear 142. As shown in Figs. 14, 21, 23 and elsewhere the shafts 200 and; 202 have at their outer ends suitable tension fingers 204 and 205 respectively, and tapes '01 bands 206 held by springs 207, one spring at each end which springs 207 run to suitableprojections 208 on the disk 148. The rear of the disk 148 is slotted with radial slots 210 parallel to the radial slots 203, and these slots 210 each carry a plunger 211 which presses outwardly and radially under the tension of a suitable inclosad coiled spring. 212 on a suitable radial pin 213 so that under normal conditions, when the cam rollers 192 and 196 are in the grooves 184 and 186 the fingers 204 and 205 are thrown outwardly. The tapes 206 are secured to their respective plungers 211 so that when these plungers are in their inner position-that is when the cam rollers 192 and 196 are in the grooves 183 and 185 the plungers 211 will be inside the fingers 204 and 205 and if an article is inclosed by the tape 206 the plunger 211 will press the tape against the article and the springs 207 will pull the'tape taut against the article regardless of any irregularities in its shape or size provided that it is within the scope of the apparatus as the elasticity of the springs 207 is suiticient to compensate for all irregularities. Each slide 211 is prevented from turning or moving too far by a suitable spindle 215 which has a bolt-head going through a suitable perforation of the flange of the disk 148. The disk 148 is rovided with suitable projections 216 in w ich the outer ends of the shafts 200 and 202 are journaled. In the foregoing has been described the apparatus for placing the tapes 206 about an article 217 to which the label is to be applied. It is necessary to place the label as above described above this article 217 and then force the article and label together so that they will be embraced by the tape 206. It is also necessary to have the fingers 204 close first so that the band or label will have its ends overlap. It is also necessary to have the fingers 204 open and permit a device to go against the exterior lap and force the same down, and then to restore the tiners 204 to position. This opening andflo ing takes place at the slot 189 a n f the slide 17 wmmoves under the influence as above set forth. Wm on the bed of the machine thifigh the casing 220 menace from the plunger 55. These springfingers 218 are so arranged that if no article is placed in the carrier on the supports 21 immediatelypreceding the action of the rotary label affixing device, air is shut ofi from the plunger 55 and conveyer 5 so that no label is brought to the label affixing device and no labels are wasted.

More specifically, the structure is as fol lows: The lever system 228 comprises a hori zontal lever 221 with an upwardly extending end 222 which is adapted to impinge against the article, and this lever also has a horizontally disposed section 223 adapted to engage a stop 224 on the elevator 225 which will be described in detail below. The upward movement of the lever 221 is limited by a fixed stop or pin 226 fixed in the table 74 of the machine. The lever 221 is fulcrumed at 227 in anupright 228 fixed to the frame of the machine by a screw 229 or in any other suitable manner, and the other end, or what might be designated the free end of this lever 221 has a pin 230 connectingit to a link 231, and this link 231 is at its lower end pivotally connected to a second lever 232. This lever 232 is fulcrumed at 233 to a part of the projection228 and its free end is engaged by the link or rod 219. A coiled spring 234 connects the lever 232 with a bracket arm 235 which is secured to the frame of the machine as shown in Fig. 17. This spring 234 causes the projection 223 to rest against the pin 224. The spring 234 is very weak so that if an article 217 rests in or on theconveyer3 at .the place immediately preceding the next banding operation, the projection 223 will not rise with the plunger or elevator 225, but. will remain lowered. The lowering of the projection 222 of the lever 221 means a cOrrwEg J lowering of the link or rod 219% an elevating of the end 222 means a corresponding elevation of the rod 219. The lower end of this rod 219 is'provided with a shoulder 236 which comes in contact with a corre on ing shoulder Qwf theca SihQf the valve 222iind the lower end 238 of this rod 219 ijects into the bore 239 of the casing. The has a suitable plunger 240 and this plunger has a projecting pin 241 passing vertically through a corresponding slot 242 and a horizontally disposed pin 243 

